6428386430 has 16 divisors (see below), whose sum is σ = 11789419104. Its totient is φ = 2522838240.

The previous prime is 6428386397. The next prime is 6428386439. The reversal of 6428386430 is 346838246.

It is a super-3 number, since 3×6428386430³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6428386439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6063986 + ... + 6065045.

It is an arithmetic number, because the mean of its divisors is an integer number (736838694).

Almost surely, 2^6428386430 is an apocalyptic number.

6428386430 is a deficient number, since it is larger than the sum of its proper divisors (5361032674).

6428386430 is a wasteful number, since it uses less digits than its factorization.

6428386430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12129091.

The product of its (nonzero) digits is 663552, while the sum is 44.

The square root of 6428386430 is about 80177.2188966417. The cubic root of 6428386430 is about 1859.3764462781.

The spelling of 6428386430 in words is "six billion, four hundred twenty-eight million, three hundred eighty-six thousand, four hundred thirty".